4097840

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 9613968

約数和(自身を除く): 5516128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 283, 362, 566, 724, 905, 1132, 1415, 1448, 1810, 2264, 2830, 2896, 3620, 4528, 5660, 7240, 11320, 14480, 22640, 51223, 102446, 204892, 256115, 409784, 512230, 819568, 1024460, 2048920, 4097840]

約数ペア:

[(1, 4097840), (2, 2048920), (4, 1024460), (5, 819568), (8, 512230), (10, 409784), (16, 256115), (20, 204892), (40, 102446), (80, 51223), (181, 22640), (283, 14480), (362, 11320), (566, 7240), (724, 5660), (905, 4528), (1132, 3620), (1415, 2896), (1448, 2830), (1810, 2264)]